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1. The Giant Radio Array for Neutrino Detection (GRAND) Collaboration -- Contributions to the 10th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities (ARENA 2024)

Author

Batista, Rafael Alves, Benoit-Lévy, Aurélien, Bister, Teresa, Bohacova, Martina, Bustamante, Mauricio, Carvalho, Washington, Chen, Yiren, Cheng, LingMei, Chiche, Simon, Colley, Jean-Marc, Correa, Pablo, Laurenciu, Nicoleta Cucu, Dai, Zigao, de Almeida, Rogerio M., de Errico, Beatriz, de Jong, Sijbrand, Neto, João R. T. de Mello, de Vries, Krijn D, Decoene, Valentin, Denton, Peter B., Duan, Bohao, Duan, Kaikai, Engel, Ralph, Erba, William, Fan, Yizhong, Ferrière, Arsène, Gou, QuanBu, Gu, Junhua, Guelfand, Marion, Guo, Jianhua, Guo, Yiqing, Guépin, Claire, Gülzow, Lukas, Haungs, Andreas, Havelka, Matej, He, Haoning, Hivon, Eric, Hu, Hongbo, Huang, Xiaoyuan, Huang, Yan, Huege, Tim, Jiang, Wen, Koirala, Ramesh, Kong, ChuiZheng, Kotera, Kumiko, Köhler, Jelena, Lago, Bruno L., Lai, Zhisen, Coz, Sandra Le, Legrand, François, Leisos, Antonios, Li, Rui, Li, Xingyu, Li, YiFei, Liu, Cheng, Liu, Ruoyu, Liu, Wei, Ma, Pengxiong, Macias, Oscar, Magnard, Frédéric, Marcowith, Alexandre, Martineau-Huynh, Olivier, McKinley, Thomas, Minodier, Paul, Mitra, Pragati, Mostafá, Miguel, Murase, Kohta, Niess, Valentin, Nonis, Stavros, Ogio, Shoichi, Oikonomou, Foteini, Pan, Hongwei, Papageorgiou, Konstantinos, Pierog, Tanguy, Piotrowski, Lech Wiktor, Prunet, Simon, Qian, Xiangli, Roth, Markus, Sako, Takashi, Schoorlemmer, Harm, Szálas-Motesiczky, Dániel, Sławiński, Szymon, Tian, Xishui, Timmermans, Anne, Timmermans, Charles, Tobiska, Petr, Tsirigotis, Apostolos, Tueros, Matías, Vittakis, George, Wang, Hanrui, Wang, Jiale, Wang, Shen, Wang, Xiangyu, Wang, Xu, Wei, Daming, Wei, Feng, Wu, Xiangping, Wu, Xuefeng, Xu, Xin, Xu, Xing, Yang, Fufu, Yang, Lili, Yang, Xuan, Yuan, Qiang, Zarka, Philippe, Zeng, Houdun, Zhang, Chao, Zhang, Jianli, Zhang, Kewen, Zhang, Pengfei, Zhang, Qingchi, Zhang, Songbo, Zhang, Yi, Zhou, Hao, Wissel, Stephanie, Zeolla, Andrew, Deaconu, Cosmin, Hughes, Kaeli, Martin, Zachary, Mulrey, Katharine, Cummings, Austin, Krömer, Oliver, Plant, Kathryn, and Schroeder, Frank G.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

This is an index of the contributions by the Giant Radio Array for Neutrino Detection (GRAND) Collaboration to the 10th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities (ARENA 2024, University of Chicago, June 11-14, 2024). The contributions include an overview of GRAND in its present and future incarnations, methods of radio-detection that are being developed for them, and ongoing joint work between the GRAND and BEACON experiments., Comment: Note: To access the list of contributions, please follow the "HTML" link that can be found on the arXiv page

Published
2024

2. GRANDlib: A simulation pipeline for the Giant Radio Array for Neutrino Detection (GRAND)

Author

GRAND Collaboration, Batista, Rafael Alves, Benoit-Lévy, Aurélien, Bister, Teresa, Bohacova, Martina, Bustamante, Mauricio, Carvalho, Washington, Chen, Yiren, Cheng, LingMei, Chiche, Simon, Colley, Jean-Marc, Correa, Pablo, Laurenciu, Nicoleta Cucu, Dai, Zigao, de Almeida, Rogerio M., de Errico, Beatriz, de Jong, Sijbrand, Neto, João R. T. de Mello, de Vries, Krijn D., Decoene, Valentin, Denton, Peter B., Duan, Bohao, Duan, Kaikai, Engel, Ralph, Erba, William, Fan, Yizhong, Ferrière, Arsène, Gou, QuanBu, Gu, Junhua, Guelfand, Marion, Guo, Jianhua, Guo, Yiqing, Guépin, Claire, Gülzow, Lukas, Haungs, Andreas, Havelka, Matej, He, Haoning, Hivon, Eric, Hu, Hongbo, Huang, Xiaoyuan, Huang, Yan, Huege, Tim, Jiang, Wen, Koirala, Ramesh, Kong, ChuiZheng, Kotera, Kumiko, Köhler, Jelena, Lago, Bruno L., Lai, Zhisen, Coz, Sandra Le, Legrand, François, Leisos, Antonios, Li, Rui, Li, Xingyu, Li, YiFei, Liu, Cheng, Liu, Ruoyu, Liu, Wei, Ma, Pengxiong, Macias, Oscar, Magnard, Frédéric, Marcowith, Alexandre, Martineau-Huynh, Olivier, McKinley, Thomas, Minodier, Paul, Mitra, Pragati, Mostafá, Miguel, Murase, Kohta, Niess, Valentin, Nonis, Stavros, Ogio, Shoichi, Oikonomou, Foteini, Pan, Hongwei, Papageorgiou, Konstantinos, Pierog, Tanguy, Piotrowski, Lech Wiktor, Prunet, Simon, Qian, Xiangli, Roth, Markus, Sako, Takashi, Schoorlemmer, Harm, Szálas-Motesiczky, Dániel, Sławiński, Szymon, Tian, Xishui, Timmermans, Anne, Timmermans, Charles, Tobiska, Petr, Tsirigotis, Apostolos, Tueros, Matías, Vittakis, George, Wang, Hanrui, Wang, Jiale, Wang, Shen, Wang, Xiangyu, Wang, Xu, Wei, Daming, Wei, Feng, Wu, Xiangping, Wu, Xuefeng, Xu, Xin, Xu, Xing, Yang, Fufu, Yang, Lili, Yang, Xuan, Yuan, Qiang, Zarka, Philippe, Zeng, Houdun, Zhang, Chao, Zhang, Jianli, Zhang, Kewen, Zhang, Pengfei, Zhang, Qingchi, Zhang, Songbo, Zhang, Yi, and Zhou, Hao

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

The operation of upcoming ultra-high-energy cosmic-ray, gamma-ray, and neutrino radio-detection experiments, like the Giant Radio Array for Neutrino Detection (GRAND), poses significant computational challenges involving the production of numerous simulations of particle showers and their detection, and a high data throughput. GRANDlib is an open-source software tool designed to meet these challenges. Its primary goal is to perform end-to-end simulations of the detector operation, from the interaction of ultra-high-energy particles, through -- by interfacing with external air-shower simulations -- the ensuing particle shower development and its radio emission, to its detection by antenna arrays and its processing by data-acquisition systems. Additionally, GRANDlib manages the visualization, storage, and retrieval of experimental and simulated data. We present an overview of GRANDlib to serve as the basis of future GRAND analyses., Comment: 11 pages, 9 figures, plus appendices

Published
2024

3. The Giant Radio Array for Neutrino Detection (GRAND) Collaboration -- Contributions to the 38th International Cosmic Ray Conference (ICRC 2023)

Author

GRAND Collaboration, Batista, Rafael Alves, Benoit-Lévy, Aurélien, Bister, Teresa, Bustamante, Mauricio, Chen, Yiren, Cheng, LingMei, Chiche, Simon, Colley, Jean-Marc, Correa, Pablo, Laurenciu, Nicoleta Cucu, Dai, Zigao, de Errico, Beatriz, de Jong, Sijbrand, Neto, João R. T. de Mello, de Vries, Krijn D., Denton, Peter B., Decoene, Valentin, Duan, Kaikai, Duan, Bohao, Engel, Ralph, Fan, Yizhong, Ferrière, Arsène, Gou, QuanBu, Gu, Junhua, Guelfand, Marion, Guo, Jianhua, Guo, Yiqing, Gupta, Vaidhai, Guépin, Claire, Gülzow, Lukas, Haungs, Andreas, He, Haoning, Hivon, Eric, Hu, Hongbo, Huang, Xiaoyuan, Huang, Yan, Huege, Tim, Jiang, Wen, Koirala, Ramesh, Kotera, Kumiko, Köhler, Jelena, Lago, Bruno L., Coz, Sandra Le, Legrand, François, Leisos, Antonios, Li, Rui, Liu, Cheng, Liu, Ruoyu, Liu, Wei, Ma, Pengxiong, Macias, Oscar, Magnard, Frédéric, Martineau-Huynh, Olivier, Mikhno, Ananstasiia, Mitra, Pragati, Mostafá, Miguel, Mottez, Fabrice, Mouette, Jean, Murase, Kohta, Niess, Valentin, Nonis, Stavros, Ogio, Shoichi, Oikonomou, Foteini, Pierog, Tanguy, Piotrowski, Lech Wiktor, Poisvert, Pierre, Prunet, Simon, Qian, Xiangli, Roth, Markus, Sako, Takashi, Schoorlemmer, Harm, Steeman, Bart, Szálas-Motesiczky, Dániel, Sławiński, Szymon, Timmermans, Anne, Timmermans, Charles, Tsirigotis, Apostolos, Tueros, Matías, Wang, Shen, Wang, Xiangyu, Wang, Xu, Wei, Daming, Wei, Feng, Wu, Xiangping, Wu, Xuefeng, Xu, Xin, Xu, Xing, Yang, Lili, Yang, Xuan, Yuan, Qiang, Zarka, Philippe, Zeng, Houdun, Zhang, Chao, Zhang, Jianli, Zhang, Kewen, Zhang, Pengfei, Zhang, Songbo, and Zhou, Hao

Subjects
High Energy Physics - Experiment, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Phenomenology
Abstract

The Giant Radio Array for Neutrino Detection (GRAND) is an envisioned observatory of ultra-high-energy particles of cosmic origin, with energies in excess of 100 PeV. GRAND uses large surface arrays of autonomous radio-detection units to look for the radio emission from extensive air showers that are triggered by the interaction of ultra-high-energy cosmic rays, gamma rays, and neutrinos in the atmosphere or underground. In particular, for ultra-high-energy neutrinos, the future final phase of GRAND aims to be sensitive enough to discover them in spite of their plausibly tiny flux. Presently, three prototype GRAND radio arrays are in operation: GRANDProto300, in China, GRAND@Auger, in Argentina, and GRAND@Nancay, in France. Their goals are to field-test the design of the radio-detection units, understand the radio background to which they are exposed, and develop tools for diagnostic, data gathering, and data analysis. This list of contributions to the 38th International Cosmic Ray Conference (ICRC 2023) presents an overview of GRAND, in its present and future incarnations, and a look at the first data collected by GRANDProto13, the first phase of GRANDProto300., Comment: Note: To access the list of contributions, please follow the "HTML" link that can be found on the arXiv page (v2: fixed name spelling of one author)

Published
2023

4. Self-consistent approach for measuring the energy spectra and composition of cosmic rays and determining the properties of hadronic interactions at high energy

Author

Addazi, Andrea, Buckley, Andy, Bellido, Jose, Cao, Zhen, Conceição, Ruben, Cazon, Lorenzo, di Matteo, Armando, Dawson, Bruce, Kawata, Kasumasa, Lipari, Paolo, Mariazzi, Analiza, Muzio, Marco, Ogio, Shoichi, Ostapchenko, Sergey, Pimenta, Mário, Pierog, Tanguy, Romero-Wolf, Andres, Riehn, Felix, Schmidt, David, Santos, Eva, Schroeder, Frank, Caballero-Mora, Karen, Scott, Pat, Sako, Takashi, Peixoto, Carlos Todero, Ulrich, Ralf, Veberic, Darko, and White, Martin

Subjects
Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Experiment, High Energy Physics - Phenomenology, High Energy Physics - Theory
Abstract

Air showers, produced by the interaction of energetic cosmic rays with the atmosphere, are an excellent alternative to study particle physics at energies beyond any human-made particle accelerator. For that, it is necessary to identify first the mass composition of the primary cosmic ray (and its energy). None of the existing high energy interaction models have been able to reproduce coherently all air shower observables over the entire energy and zenith angle phase space. This is despite having tried all possible combinations for the cosmic ray mass composition. This proposal outlines a self-consistent strategy to study high energy particle interactions and identify the energy spectra and mass composition of cosmic rays. This strategy involves the participation of different particle accelerators and astrophysics experiments. This is important to cover the entire cosmic ray energy range and a larger phase-space of shower observables to probe the high energy interaction models., Comment: Snowmass2021 - Letter of Interest

Published
2020

5. Search for the large-scale cosmic-ray anisotropies using the TA and TALE surface detector arrays

Author

Kimura Yusuke, Fujii Toshihiro, Ogio Shoichi, and Tsunesada Yoshiki

Subjects
Physics, QC1-999
Abstract

Origins of ultra-high-energy cosmic rays (UHECRs) are still largely unknown. In particular, the “2nd knee” around 1017 eV could be related to a transition of origins from the galactic to extra-galactic sources. In this scenario, one would expect the large-scale anisotropies of UHECRs to change over the 2nd knee region. We search for large-scale anisotropies using data taken from surface detector (SD) arrays of the Telescope Array experiment (TA), the largest cosmic-ray detector in the northern hemisphere, and from its low energy extension, the Telescope Array Low-energy Extension (TALE). In this contribution, we report on preliminary results in the search for the large-scale cosmic-ray anisotropies with 11-years TA SD and two-years TALE SD data.

Published
2023
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6. Measurement of Cosmic-ray Energy Spectrum with the TALE Detector in Hybrid Mode

Author

Oshima Hitoshi, Fujita Keitaro, Ogio Shoichi, and Sako Takashi

Subjects
Physics, QC1-999
Abstract

The TA Low-energy Extension (TALE) experiment extends the energy range observed by the TA experiment to below 1016 eV. We aim to study the transition from galactic to extragalactic cosmic rays. The TALE detector is a hybrid apparatus composed of fluorescence telescopes and surface detectors. The surface detectors are arranged to be suitable for hybrid energy spectrum measurements in the low-energy region. We measured the energy spectrum with the 392 hours observation data of the TALE hybrid detector. This energy spectrum measurement will play an important role in understanding the transition from cosmic rays of galactic origin to those of extragalactic origin.

Published
2023
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7. Performance of the TALE infill experiment as a TA-TALE extension down to the PeV region

Author

Iwasaki Aoi, Fujita Keitaro, Ogio Shoichi, Fujii Toshihiro, and Tsunesada Yoshiki

Subjects
Physics, QC1-999
Abstract

The TALE infill experiment is a further extension of TA-TALE detectors to observe low-energy cosmic rays down to the PeV region. TALE infill utilizes the existing TALE-FD detectors, and newly developed "infill" surface detectors with 100 m and 200 m spacing. The new detectors will be deployed at the TALE site in October-November 2022. We present the design and performance of the TALE infill array in the hybrid mode, in terms of the resolutions and biases of arrival direction, energy, and Xmax.

Published
2023
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8. Calibration of Photomultiplier Tubes for the Fluorescence Detector of Telescope Array Experiment using a Rayleigh Scattered Laser Beam

Author

Kawana, Shingo, Sakurai, Nobuyuki, Fujii, Toshihiro, Fukushima, Masaki, Inoue, Naoya, Matthews, John N., Ogio, Shoichi, Sagawa, Hiroyuki, Taketa, Akimichi, Takita, Masato, Thomas, Stan B., Tokuno, Hisao, Tsunesada, Yoshiki, Udo, Shigeharu, and Wiencke, Lawrence R.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Instrumentation and Detectors
Abstract

We performed photometric calibration of the PhotoMultiplier Tube (PMT) and readout electronics used for the new fluorescence detectors of the Telescope Array (TA) experiment using Rayleigh scattered photons from a pulsed nitrogen laser beam. The experimental setup, measurement procedure, and results of calibration are described. The total systematic uncertainty of the calibration is estimated to be 7.2%. An additional uncertainty of 3.7% is introduced by the transport of the calibrated PMTs from the laboratory to the TA experimental site., Comment: 43 pages, 15 figures

Published
2012
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9. Science with the Global Cosmic-ray Observatory (GCOS)

Author

Alves Batista, Rafael, primary, Assis, Pedro, additional, Battisti, Matteo, additional, Bellido, Jose A., additional, Bhatnagar, Sonali, additional, Bismark, Kathrin, additional, Bister, Teresa, additional, Bohacova, Martina, additional, Caccianiga, Lorenzo, additional, Caruso, Rossella, additional, Carvalho, Washington, additional, Castellina, Antonella, additional, Colalillo, Roberta, additional, Convenga, Fabio, additional, Dawson, Bruce, additional, Deval, Luca, additional, di Matteo, Armando, additional, DuVernois, Michael, additional, Engel, Ralph, additional, Eser, Johannes, additional, Flaggs, Benjamin, additional, Fujii, Toshihiro, additional, Garzelli, Maria Vittoria, additional, Gkika, Violeta, additional, Hamal, Petr, additional, Hariharan, Balakrishnan, additional, Hnatyk, Bohdan, additional, Hörandel, Jörg R., additional, Horvath, Pavel, additional, Hrabovsky, Miroslav, additional, Huege, Tim, additional, Ikeda, Daisuke, additional, Isar, Paula-Gina, additional, James, Robin, additional, Kampert, Karl-Heinz, additional, Koundal, Paras, additional, Liu, Jiali, additional, Longo, Francesco, additional, Mandat, Dusan, additional, Maris, Ioana C., additional, Matthews, James N., additional, Mayotte, Eric William, additional, Medina-Tanco, Gustavo, additional, Muzio, Marco Stein, additional, Nellen, Lukas, additional, Niechciol, Marcus, additional, Ogio, Shoichi, additional, Oikonomou, Foteini, additional, Ostrowski, Michal, additional, Pont, Bjarni, additional, Porcelli, Alessio, additional, Rautenberg, Julian, additional, Rieger, Frank, additional, Risse, Markus, additional, Roth, Markus, additional, Sako, Takashi, additional, Salamida, Francesco, additional, Santangelo, Andrea, additional, Santos, Eva, additional, Sarazin, Fred, additional, Saveliev, Andrey, additional, Schimp, Michael, additional, Schmidt, David, additional, Schröder, Frank G., additional, Sergijenko, Olga, additional, Soldin, Dennis, additional, Spiczak, Glenn, additional, Tameda, Yuichiro, additional, Unger, Michael, additional, van Vliet, Arjen, additional, Vorobiov, Serguei, additional, and Wibig, Tadeusz, additional

Published
2023
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12. Telescope Array Experiment

Author

Ogio Shoichi

Subjects
Physics, QC1-999
Abstract

The Telescope Array is the largest hybrid cosmic ray detector in the Northern hemisphere designed to measure primary particles in 4 PeV to 100 EeV range. The main TA detector consists of an air shower array of 507 plastic scintillation counters on a 1.2 km square grid and fluorescence detectors at three stations overlooking the sky above the air shower array. The experiment and its recent measurements - spectrum, composition, and anisotropy - is reviewed. Recently the construction of the TA Low energy Extension (TALE) detector, which consists of an additional fluorescence detector and an infill array, was finished. TALE lowers the energy threshold of TA down to 4 PeV. We are also constructing the TAx4 detector to increase statistics in particular at the highest energies. The current status and the future prospects of these new TAx4 experiments is reported.

Published
2019
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13. Hadronic Interaction Model Dependence in Cosmic Gamma-ray Flux Estimation Using an Extensive Air Shower Array with a Muon Detector

Author

Okukawa, Sousuke, primary, Katayose, Yusaku, additional, Anzorena, Marcos, additional, Asano, Shunta, additional, Condori, Cesar, additional, Fuente, Eduardo, additional, Gomi, Asuka, additional, Hibino, Kinya, additional, Hotta, Naoki, additional, Jimenez-Meza, Ana, additional, Kato, Chihiro, additional, Kato, Sei, additional, Kawashima, Teruyoshi, additional, Kawata, Kazumasa, additional, Koi, Tatsumi, additional, Kojima, Hiroshi, additional, Kurashige, Daichi, additional, Lozoya, Jorge, additional, Mayta, Rosa, additional, Miranda, Pedro, additional, Munakata, Kazuoki, additional, Nagaya, Kaito, additional, Nakamura, Yoshiaki, additional, Nakazawa, Yuuki, additional, Nina, Carlos, additional, Nishizawa, Masaki, additional, Ogio, Shoichi, additional, Ohnishi, Munehiro, additional, Oshima, Akitoshi, additional, Raljevich, Mirko, additional, Rivera, Hugo, additional, Saito, Toshiharu, additional, Sakakibara, Yohei, additional, Sako, Takashi, additional, Sako, Takashi K., additional, Shibata, Shoichi, additional, Shiomi, Atsushi, additional, Subieta, Martin, additional, Tajima, Norio, additional, Takano, Wakiko, additional, Takita, Masato, additional, Tameda, Yuichiro, additional, Tanaka, Koichi, additional, Ticona, Rolando, additional, Toledano-Juarez, Ivan, additional, Tsuchiya, Harufumi, additional, Tsunesada, Yoshiki, additional, Udo, Shigeharu, additional, Yamazaki, Katsuya, additional, and Yokoe, Yoshichika, additional

Published
2022
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15. High-resolution two-dimensional map of the solar-time anisotropy obtained by the GRAPES-3 large-area muon telescope

Author

Koi, Tatsumi, primary, Kojima, Hiroshi, additional, Ahmad, Shakeel, additional, Chakraborty, Medha, additional, Chandra, Anuj, additional, Dugad, Shashi, additional, Gupta, Snil K., additional, Hariharan, Balakrishnan, additional, Hayashi, Yoshio, additional, Jagadeesan, Paranjothi, additional, Jain, Atul, additional, Jain, Pankaj, additional, Jhansi, Vuta B., additional, Kawakami, Saburo, additional, Mahapatra, Swapna, additional, Matsuyama, Toshio, additional, Mohanty, Pravata, additional, Morishita, Isao, additional, Morris, Sumuel D., additional, Muraki, Yasushi, additional, Nakamura, Toru, additional, Nayak, Pranaba, additional, Nonaka, Toshiyuki, additional, Ogio, Shoichi, additional, Oshima, Akitoshi, additional, Pattanaik, Diptiranjan, additional, Rakshe, Pankaj S., additional, Ramesh, Kaviti, additional, Rao, Bellam S., additional, Reddy, Lakki V., additional, Shibata, Shoichi, additional, Takamaru, Hisanori, additional, Tanaka, Koichi, additional, Varsi, Fahim, additional, Yamazaki, Katsuya, additional, and Zuberi, Meeran, additional

Published
2021
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16. UHECR arrival directions in the latest data from the original Auger and TA surface detectors and nearby galaxies

Author

di Matteo, Armando, primary, Anchordoqui, Luis A., additional, Bister, Teresa, additional, Biteau, Jonathan, additional, Caccianiga, Lorenzo, additional, de Almeida, Rogerio M., additional, Deligny, Olivier, additional, GIACCARI, Ugo, additional, Harari, Diego, additional, Kim, Jihyun, additional, Kuznetsov, Mikhail, additional, Maris, Ioana Codrina, additional, Rubtsov, Grigory, additional, Tinyakov, Petr, additional, Troitsky, Sergey, additional, Urban, Federico, additional, Abreu, Pedro, additional, Aglietta, Marco, additional, Albury, Justin M., additional, Allekotte, Ingomar, additional, Almela, Alejandro, additional, Alvarez-Muniz, Jaime, additional, Alves Batista, Rafael, additional, Anastasi, Gioacchino Alex, additional, Andrada, Belén, additional, Andringa, Sofia, additional, Aramo, Carla, additional, Araújo Ferreira, Paulo Ricardo, additional, Arteaga Velazquez, Juan Carlos, additional, Asorey, Hernán Gonzalo, additional, Assis, Pedro, additional, Avila, Gualberto, additional, Badescu, Alina Mihaela, additional, Bakalova, Alena, additional, Balaceanu, Alexandru, additional, Barbato, Felicia, additional, Barreira Luz, Ricardo Jorge, additional, Becker, Karl-Heinz, additional, Bellido, Jose A., additional, Berat, Corinne, additional, Bertaina, Mario Edoardo, additional, Bertou, Xavier, additional, Biermann, Peter L., additional, Binet, Virginia, additional, Bismark, Kathrin, additional, Blazek, Jiri, additional, Bleve, Carla, additional, Bohacova, Martina, additional, Boncioli, Denise, additional, Bonifazi, Carla, additional, Bonneau Arbeletche, Luan, additional, Borodai, Nataliia, additional, Botti, Ana Martina, additional, Brack, Jeffrey, additional, Bretz, Thomas, additional, Brichetto Orchera, P. Gabriel, additional, Briechle, Florian Lukas, additional, Buchholz, Peter, additional, Bueno, Antonio, additional, Buitink, Stijn, additional, Buscemi, Mario, additional, Büsken, Max, additional, Caballero-Mora, Karen S., additional, Canfora, Fabrizia, additional, Caracas, Ioana, additional, Carceller, Juan Miguel, additional, Caruso, Rossella, additional, Castellina, Antonella, additional, Catalani, Fernando, additional, Cataldi, Gabriella, additional, Cazon, Lorenzo, additional, Cerda, Marcos, additional, Chinellato, Jose Augusto, additional, Chudoba, Jiří, additional, Chytka, Ladislav, additional, Clay, Roger W, additional, Cobos Cerutti, Agustín, additional, Colalillo, Roberta, additional, Coleman, Alan, additional, Coluccia, Maria Rita, additional, Conceição, Rúben, additional, Condorelli, Antonio, additional, Consolati, Giovanni, additional, Contreras, Fernando, additional, Convenga, Fabio, additional, Correia dos Santos, Diego, additional, Covault, Corbin, additional, Dasso, Sergio, additional, Daumiller, Kai, additional, Dawson, Bruce R., additional, Day, Jarryd A., additional, de Jesús, Joaquín, additional, de Jong, Sijbrand J., additional, De Mauro, Giuseppe, additional, de Mello Neto, João, additional, De Mitri, Ivan, additional, de Oliveira, Jaime, additional, de Oliveira Franco, Danelise, additional, de Palma, Francesco, additional, de Souza, Vitor, additional, De Vito, Emanuele, additional, del Río, Mariano, additional, Deval, Luca, additional, Dobrigkeit, Carola, additional, D'Olivo, Juan Carlos, additional, Domingues Mendes, Luis Miguel, additional, dos Anjos, Rita Cassia, additional, dos Santos, Diego, additional, Dova, Maria Teresa, additional, Ebr, Jan, additional, Engel, Ralph, additional, Epicoco, Italo, additional, Erdmann, Martin, additional, Escobar, Carlos O., additional, Etchegoyen, Alberto, additional, Falcke, Heino, additional, Farmer, John, additional, Farrar, Glennys R., additional, Fauth, Anderson, additional, Fazzini, Norberto, additional, Feldbusch, Fridtjof, additional, Fenu, Francesco, additional, Fick, Brian, additional, Figueira, Juan Manuel, additional, Filipcic, Andrej, additional, Fitoussi, Thomas, additional, Fodran, Tomáš, additional, Freire, Martín Miguel, additional, Fuster, Alan, additional, Galea, Cristina, additional, Galelli, Claudio, additional, García, Beatriz, additional, García Vegas, Adrianna Luz, additional, Gemmeke, Hartmut, additional, Gesualdi, Flavia, additional, Gherghel-Lascu, Alexandru, additional, Ghia, Piera Luisa, additional, Giammarchi, Marco, additional, Glombitza, Jonas, additional, Gobbi, Fabian, additional, Gollan, Fernando, additional, Golup, Geraldina, additional, Gómez Berisso, Mariano, additional, Gómez Vitale, Primo F., additional, Gongora, Juan Pablo, additional, González, Juan Manuel, additional, Gonzalez, Nicolas Martin, additional, Goos, Isabel, additional, Gora, Dariusz, additional, Gorgi, Alessio, additional, Gottowik, Marvin, additional, Grubb, Trent D., additional, Guarino, Fausto, additional, Guedes, Germano, additional, Guido, Eleonora, additional, Hahn, Steffen, additional, Hamal, Petr, additional, Hampel, Matías Rolf, additional, Hansen, Patricia María, additional, Harvey, Violet M., additional, Haungs, Andreas, additional, Hebbeker, Thomas, additional, Heck, Dieter, additional, Hill, Gary C., additional, Hojvat, Carlos, additional, Hörandel, Jörg R., additional, Horvath, Pavel, additional, Hrabovsky, Miroslav, additional, Huege, Tim, additional, Insolia, Antonio, additional, Isar, Paula Gina, additional, Janecek, Petr, additional, Johnsen, Jeffrey A., additional, Jurysek, Jakub, additional, Kääpä, Alex, additional, Kampert, Karl-Heinz, additional, Karastathis, Nikolaos, additional, Keilhauer, Bianca, additional, Kemp, Julian, additional, Khakurdikar, Abha, additional, Kizakke Covilakam, Varada Varma, additional, Klages, Hans, additional, Kleifges, Matthias, additional, Kleinfeller, Jonny, additional, Köpke, Marcel, additional, Kunka, Norbert, additional, Lago, Bruno L., additional, Lang, Rodrigo Guedes, additional, Langner, Niklas, additional, Leigui de Oliveira, Marcelo Augusto, additional, Lenok, Vladimir, additional, Letessier-Selvon, Antoine, additional, Lhenry-Yvon, Isabelle, additional, Lo Presti, Domenico, additional, LOPES, Luis, additional, López, Rebeca, additional, Lu, Lu, additional, Luce, Quentin, additional, Machado Payeras, Allan, additional, Mancarella, Giovanni, additional, Mandat, Dusan, additional, Manning, Bradley C., additional, Manshanden, Julien, additional, Mantsch, Paul, additional, Marafico, Sullivan, additional, Mariazzi, Analisa, additional, Marsella, Giovanni, additional, Martello, Daniele, additional, Martinelli, Sara, additional, Martínez Bravo, Oscar, additional, Mastrodicasa, Massimo, additional, Mathes, Hermann-Josef, additional, Matthews, James, additional, Matthiae, Giorgio, additional, Mayotte, Eric, additional, Mazur, Peter, additional, Medina-Tanco, Gustavo, additional, Melo, Diego, additional, Menshikov, Alexander, additional, Merenda, Kevin-Druis, additional, Michal, Stanislav, additional, Micheletti, Maria Isabel, additional, Miramonti, Lino, additional, Mollerach, Silvia, additional, Montanet, François, additional, Morello, Carlo, additional, Mostafa, Miguel, additional, Müller, Ana L., additional, Muller, Marcio Aparecido, additional, Mulrey, Katharine, additional, Mussa, Roberto, additional, Muzio, Marco Stein, additional, Namasaka, Wilson M., additional, Nasr-Esfahani, Alina, additional, Nellen, Lukas, additional, Niculescu-Oglinzanu, Mihai, additional, Niechciol, Marcus, additional, Nitz, Dave, additional, Nosek, Dalibor, additional, Novotný, Vladimír, additional, Nozka, Libor, additional, Nucita, Achille, additional, Nunez, Luis A., additional, Palatka, Miroslav, additional, Pallotta, Juan, additional, Papenbreer, Philipp, additional, Parente, Gonzalo, additional, Parra, Alejandra, additional, Pawlowsky, Jannis, additional, Pech, Miroslav, additional, Pedreira, Francisco, additional, Pękala, Jan, additional, Pelayo, Rodrigo, additional, Peña-Rodríguez, Jesús, additional, Pereira Martins, Edyvania Emily, additional, Perez Armand, Johnnier, additional, Pérez Bertolli, Carmina, additional, Perlin, Matías, additional, Perrone, Lorenzo, additional, Petrera, Sergio, additional, Pierog, Tanguy, additional, Pimenta, Mário, additional, Pirronello, Valerio, additional, Platino, Manuel, additional, Pont, Bjarni, additional, Pothast, Mart, additional, Privitera, Paolo, additional, Prouza, Michael, additional, Puyleart, Andrew, additional, Querchfeld, Sven, additional, Rautenberg, Julian, additional, Ravignani, Diego, additional, Reininghaus, Maximilian, additional, Ridky, Jan, additional, Riehn, Felix, additional, Risse, Markus, additional, Rizi, Vincenzo, additional, Rodrigues de Carvalho, Washington, additional, Rodriguez Rojo, Jorge Rubén, additional, Roncoroni, Matías J., additional, Rossoni, Simone, additional, Roth, Markus, additional, Roulet, Esteban, additional, Rovero, Adrian, additional, Ruehl, Philip, additional, Saftoiu, Alexandra, additional, Salamida, Francesco, additional, Salazar, Humberto Ibarguen, additional, Salina, Gaetano, additional, Sanabria Gomez, Jose, additional, Sánchez, Federico Andrés, additional, Santos, Edivaldo Moura, additional, Santos, Eva, additional, Sarazin, Fred, additional, Sarmento, Raul, additional, Sarmiento-Cano, Christian, additional, Sato, Ricardo, additional, Savina, Pierpaolo, additional, Schäfer, Christoph M., additional, Scherini, Viviana, additional, Schieler, Harald, additional, Schimassek, Martin, additional, Schimp, Michael, additional, Schlüter, Felix, additional, Schmidt, David, additional, Scholten, Olaf, additional, Schovanek, Petr, additional, Schröder, Frank G., additional, Schröder, Sonja, additional, Schulte, Josina, additional, Sciutto, Sergio, additional, Scornavacche, Marina, additional, Segreto, Alberto, additional, Sehgal, Srijan, additional, Shellard, Ronald C., additional, Sigl, Guenter, additional, Silli, Gaia, additional, Sima, Octavian, additional, Smida, Radomir, additional, Sommers, Paul, additional, Soriano, Jorge F., additional, Souchard, Julien, additional, Squartini, Ruben, additional, Stadelmaier, Maximilian, additional, Stanca, Denis, additional, Stanič, Samo, additional, Stasielak, Jaroslaw, additional, Stassi, Patrick, additional, Streich, Alexander, additional, Suárez-Durán, Mauricio, additional, Sudholz, Tristan, additional, Suomijarvi, Tiina, additional, Supanitsky, A. Daniel, additional, Szadkowski, Zbigniew, additional, Tapia, Alex, additional, Taricco, Carla, additional, Timmermans, Charles, additional, Tkachenko, Olena, additional, Tobiska, Petr, additional, Todero Peixoto, Carlos J., additional, Tomé, Bernardo, additional, Torrès, Zoé, additional, Travaini, Andres, additional, Travnicek, Petr, additional, Trimarelli, Caterina, additional, Tueros, Matías, additional, Ulrich, Ralf, additional, Unger, Michael, additional, Vaclavek, Lukáš, additional, Vacula, Martin, additional, Valdés Galicia, Jose F., additional, Valore, Laura, additional, Varela, Enrique, additional, Vásquez-Ramírez, Adriana, additional, Veberic, Darko, additional, Ventura, Cynthia, additional, Vergara Quispe, Indira D., additional, Verzi, Valerio, additional, Vicha, Jakub, additional, Vink, Jacco, additional, Vorobiov, Serguei, additional, Wahlberg, Hernan, additional, Watanabe, Clara Keiko Oliveira, additional, Watson, Alan, additional, Weber, Marc, additional, Weindl, Andreas, additional, Wiencke, Lawrence, additional, Wilczyński, Henryk, additional, Wirtz, Marcus, additional, Wittkowski, David, additional, Wundheiler, Brian, additional, Yushkov, Alexey, additional, Zapparrata, Orazio, additional, Zas, Enrique, additional, Zavrtanik, Danilo, additional, Zavrtanik, Marko, additional, Zehrer, Lukas, additional, Abbasi, Rasha, additional, Abu-Zayyad, Tareq, additional, Allen, Monica, additional, Arai, Yuto, additional, Arimura, Ryuhei, additional, Barcikowski, Elliott, additional, Belz, John, additional, Bergman, Douglas, additional, Blake, Samuel, additional, Cady, Robert, additional, Cheon, ByongGu, additional, Chiba, Jyunsei, additional, Chikawa, Michiyuki, additional, Fujii, Toshihiro, additional, Fujisue, Kozo, additional, Fujita, Keitaro, additional, Fujiwara, Ryota, additional, Fukushima, Masaki, additional, Fukushima, Ryota, additional, Furlich, Greg, additional, Gonzalez, Ricardo, additional, Hanlon, William, additional, Hayashi, Motoki, additional, Hayashida, Naoaki, additional, Hibino, Kinya, additional, Higuchi, Ryo, additional, Honda, Ken, additional, Ikeda, Daisuke, additional, Inadomi, Taichi, additional, Inoue, Naoya, additional, Ishii, Takaaki, additional, Ito, Hirotaka, additional, Ivanov, Dmitri, additional, Iwakura, Hirokazu, additional, Iwasaki, Aoi, additional, Jeong, Hyoming, additional, Jeong, Soomin, additional, Jui, Charlie, additional, Kadota, Kenichi, additional, Kakimoto, Fumio, additional, Kalashev, Oleg, additional, Kasahara, Katsuaki, additional, Kasami, Saori, additional, Kawai, Hideyuki, additional, Kawakami, Saburo, additional, Kawana, Shingo, additional, Kawata, Katsumasa, additional, Kharuk, Ivan, additional, Kido, Eiji, additional, Kim, HangBae, additional, Kim, Jihee, additional, Kim, Min Hyo, additional, Kim, Sang Woo, additional, Kimura, Yusuke, additional, Kishigami, Shoichi, additional, Kubota, Yuto, additional, Kurisu, Shinnosuke, additional, Kuzmin, Vladim, additional, Kwon, Youngjoon, additional, Lee, Kwangho, additional, Lubsandorzhiev, BayarJon Paul, additional, Lundquist, Jon Paul, additional, Machida, Kazuhiro, additional, Matsumiya, Hiroyuki, additional, Matsuyama, Toshio, additional, Matthews, John, additional, Mayta, Rosa, additional, Minamino, Mayuko, additional, Mukai, Keijiro, additional, Myers, Isaac, additional, Nagataki, Shigehiro, additional, Nakai, Kei, additional, Nakamura, Ryo, additional, Nakamura, Toru, additional, Nakamura, Tomoyuki, additional, Nakamura, Yuya, additional, Nakazawa, Arata, additional, Nishio, Eiji, additional, Nonaka, Toshiyuki, additional, Oda, Hiroyuki, additional, Ogio, Shoichi, additional, Ohnishi, Munehiro, additional, Ohoka, Hideyuki, additional, Oku, Yuya, additional, Okuda, Takeshi, additional, Omura, Yugo, additional, Ono, Masaomi, additional, Onogi, Ryota, additional, Oshima, Akitoshi, additional, OZAWA, Shunsuke, additional, Park, Il Hung, additional, Potts, Matt, additional, Pshirkov, Maxim, additional, Remington, Jackson, additional, Rodriguez, Doug, additional, Ryu, Dongsu, additional, Sagawa, Hiroyuki, additional, Sahara, Ryosuke, additional, Saito, Yasunori, additional, Sakaki, Naoto, additional, Sako, Takashi, additional, Sakurai, Nobuyuki, additional, Sano, Kengo, additional, Sato, Koki, additional, Seki, Terutsugu, additional, Sekino, Koichi, additional, Shah, Priti, additional, Shibasaki, Yuma, additional, Shibata, Fumiya, additional, Shibata, Norimichi, additional, Shibata, Tatsunobu, additional, Shimodaira, Hideaki, additional, Shin, Bokkyun, additional, Shin, Heungsu, additional, Shinto, Daiki, additional, Smith, Jeremy, additional, Sokolsky, Pierre, additional, Sone, Naohiro, additional, Stokes, Ben, additional, Stroman, Tom, additional, Takagi, Yoshinori, additional, Takahashi, Yuichi, additional, Takamura, Mai, additional, Takeda, Masahiro, additional, Takeishi, Ryuji, additional, Taketa, Akimichi, additional, Takita, Masato, additional, Tameda, Yuichiro, additional, Tanaka, Hideki, additional, Tanaka, Koichi, additional, Tanaka, Manobu, additional, Tanoue, Yuta, additional, Thomas, Stanton, additional, Thomson, Gordon, additional, Tkachev, Igor, additional, Tokuno, Hisono, additional, Tomida, Taka, additional, Tsuda, Ryosuke, additional, Tsunesada, Yoshiki, additional, Uchihori, Yukio, additional, Udo, Shigeharu, additional, Uehama, Takafumi, additional, Wong, Tiffany, additional, Yada, Kohei, additional, Yamamoto, Mashu, additional, Yamazaki, Katsuya, additional, Yang, Jongmann, additional, Yashiro, Kenta, additional, Yoshida, Fugo, additional, Yoshioka, Tsubasa, additional, Zhezher, Yana, additional, and Zundel, Zach, additional

Published
2021
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17. UHECR mass composition from anisotropy of their arrival directions with the Telescope Array SD

Author

Kuznetsov, Mikhail, primary, Tinyakov, Peter, additional, Abbasi, Rasha, additional, Abu-Zayyad, Tareq, additional, Allen, Monica, additional, Arai, Yuto, additional, Arimura, Ryuhei, additional, Barcikowski, Elliott, additional, Belz, John, additional, Bergman, Douglas, additional, Blake, Samuel, additional, Cady, Robert, additional, Cheon, ByongGu, additional, Chiba, Jyunsei, additional, Chikawa, Michiyuki, additional, Fujii, Toshihiro, additional, Fujisue, Kozo, additional, Fujita, Keitaro, additional, Fujiwara, Ryota, additional, Fukushima, Masaki, additional, Fukushima, Ryota, additional, Furlich, Greg, additional, Gonzalez, Ricardo, additional, Hanlon, William, additional, Hayashi, Motoki, additional, Hayashida, Naoaki, additional, Hibino, Kinya, additional, Higuchi, Ryo, additional, Honda, Ken, additional, Ikeda, Daisuke, additional, Inadomi, Taichi, additional, Inoue, Naoya, additional, Ishii, Takaaki, additional, Ito, Hirotaka, additional, Ivanov, Dmitri, additional, Iwakura, Hirokazu, additional, Iwasaki, Aoi, additional, Jeong, Hyoming, additional, Jeong, Soomin, additional, Jui, Charlie, additional, Kadota, Kenichi, additional, Kakimoto, Fumio, additional, Kalashev, Oleg, additional, Kasahara, Katsuaki, additional, Kasami, Saori, additional, Kawai, Hideyuki, additional, Kawakami, Saburo, additional, Kawana, Shingo, additional, Kawata, Katsumasa, additional, Kharuk, Ivan, additional, Kido, Eiji, additional, Kim, HangBae, additional, Kim, Jihee, additional, Kim, Jihyun, additional, Kim, Min Hyo, additional, Kim, Sang Woo, additional, Kimura, Yusuke, additional, Kishigami, Shoichi, additional, Kubota, Yuto, additional, Kurisu, Shinnosuke, additional, Kuzmin, Vladim, additional, Kwon, Youngjoon, additional, Lee, Kwangho, additional, Lubsandorzhiev, BayarJon Paul, additional, Lundquist, Jon Paul, additional, Machida, Kazuhiro, additional, Matsumiya, Hiroyuki, additional, Matsuyama, Toshio, additional, Matthews, John, additional, Mayta, Rosa, additional, Minamino, Mayuko, additional, Mukai, Keijiro, additional, Myers, Isaac, additional, Nagataki, Shigehiro, additional, Nakai, Kei, additional, Nakamura, Ryo, additional, Nakamura, Toru, additional, Nakamura, Tomoyuki, additional, Nakamura, Yuya, additional, Nakazawa, Arata, additional, Nishio, Eiji, additional, Nonaka, Toshiyuki, additional, Oda, Hiroyuki, additional, Ogio, Shoichi, additional, Ohnishi, Munehiro, additional, Ohoka, Hideyuki, additional, Oku, Yuya, additional, Okuda, Takeshi, additional, Omura, Yugo, additional, Ono, Masaomi, additional, Onogi, Ryota, additional, Oshima, Akitoshi, additional, OZAWA, Shunsuke, additional, Park, Il Hung, additional, Potts, Matt, additional, Pshirkov, Maxim, additional, Remington, Jackson, additional, Rodriguez, Doug, additional, Rubtsov, Grigory, additional, Ryu, Dongsu, additional, Sagawa, Hiroyuki, additional, Sahara, Ryosuke, additional, Saito, Yasunori, additional, Sakaki, Naoto, additional, Sako, Takashi, additional, Sakurai, Nobuyuki, additional, Sano, Kengo, additional, Sato, Koki, additional, Seki, Terutsugu, additional, Sekino, Koichi, additional, Shah, Priti, additional, Shibasaki, Yuma, additional, Shibata, Fumiya, additional, Shibata, Norimichi, additional, Shibata, Tatsunobu, additional, Shimodaira, Hideaki, additional, Shin, Bokkyun, additional, Shin, Heungsu, additional, Shinto, Daiki, additional, Smith, Jeremy, additional, Sokolsky, Pierre, additional, Sone, Naohiro, additional, Stokes, Ben, additional, Stroman, Tom, additional, Takagi, Yoshinori, additional, Takahashi, Yuichi, additional, Takamura, Mai, additional, Takeda, Masahiro, additional, Takeishi, Ryuji, additional, Taketa, Akimichi, additional, Takita, Masato, additional, Tameda, Yuichiro, additional, Tanaka, Hideki, additional, Tanaka, Koichi, additional, Tanaka, Manobu, additional, Tanoue, Yuta, additional, Thomas, Stanton, additional, Thomson, Gordon, additional, Tkachev, Igor, additional, Tokuno, Hisono, additional, Tomida, Taka, additional, Troitsky, Sergey, additional, Tsuda, Ryosuke, additional, Tsunesada, Yoshiki, additional, Uchihori, Yukio, additional, Udo, Shigeharu, additional, Uehama, Takafumi, additional, Urban, Federico, additional, Wong, Tiffany, additional, Yada, Kohei, additional, Yamamoto, Mashu, additional, Yamazaki, Katsuya, additional, Yang, Jongmann, additional, Yashiro, Kenta, additional, Yoshida, Fugo, additional, Yoshioka, Tsubasa, additional, Zhezher, Yana, additional, and Zundel, Zach, additional

Published
2021
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18. Trigger system for the TA fluorescence detector

Author

Tameda, Yuichiro, Kakimoto, Fumio, Tsunesada, Yoshiki, Azuma, Ryuji, Ogio, Shoichi, Fukushima, Masaki, Taketa, Akimichi, Tokuno, Hisao, Hiyama, Kazunori, Smith, J.D., Thomas, S.B., Tanaka, Manobu, Matsuda, Takeshi, and Kadota, Kenichi

Published
2007
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20. TA Anisotropy Summary

Author

Kawata, K., Di Matteo, Armando, Fujii, Toshihiro, Ivanov, Dmitri, Jui, Charles C.C.H., Lundquist, Jon Paul, Matthews, J.N., Ogio, Shoichi, Sagawa, H., Thomson, G.B., Tinyakov, Peter, Tkachev, I., Troitsky, S., Kawata, K., Di Matteo, Armando, Fujii, Toshihiro, Ivanov, Dmitri, Jui, Charles C.C.H., Lundquist, Jon Paul, Matthews, J.N., Ogio, Shoichi, Sagawa, H., Thomson, G.B., Tinyakov, Peter, Tkachev, I., and Troitsky, S.

Abstract

The Telescope Array (TA) is the largest ultra-high-energy cosmic-ray (UHECR) detector in the northern hemisphere. It consists of an array of 507 surface detectors (SD) covering a total 700 km 2 and three fluorescence detector stations overlooking the SD array. In this proceedings, we summarize recent results on the search for directional anisotropy of UHECRs using the latest dataset collected by the TA SD array. We obtained hints of the anisotropy of the UHECRs in the northern sky from the various analyses., info:eu-repo/semantics/published

Published
2019

21. Updated results on the UHECR hotspot observed by the telescope array experiment

Author

Kawata, Kenji, Di Matteo, Armando, Fujii, Toshihiro, Ikeda, Daisuke, Ivanov, Dmitry, Jui, Charles C.C.H., Kido, Eiji, Lundquist, Jon Paul, Matthews, John J.N., Nagataki, Shigehiro, Nonaka, Toshiyuki, Ogio, Shoichi, Okuda, Takeshi, Rubtsov, G., Sagawa, Hiroyuki, Sako, Takashi, Sakurai, N., Takeda, Masahiro, Takeishi, R., Taketa, Akimichi, Thomson, Gordon, Tiniakov, Petr, Tkachev, Igor, Troitsky, Sergey, Kawata, Kenji, Di Matteo, Armando, Fujii, Toshihiro, Ikeda, Daisuke, Ivanov, Dmitry, Jui, Charles C.C.H., Kido, Eiji, Lundquist, Jon Paul, Matthews, John J.N., Nagataki, Shigehiro, Nonaka, Toshiyuki, Ogio, Shoichi, Okuda, Takeshi, Rubtsov, G., Sagawa, Hiroyuki, Sako, Takashi, Sakurai, N., Takeda, Masahiro, Takeishi, R., Taketa, Akimichi, Thomson, Gordon, Tiniakov, Petr, Tkachev, Igor, and Troitsky, Sergey

Abstract

The Telescope Array Experiment has observed an indication of intermediate-scale anisotropy in the UHECR arrival directions, called the Hotspot, with E > 57 EeV around the Ursa Major using the first 5-year data during a period between May 2008 and May 2013 collected by the TA surface detector array. The chance probability of this hotspot in an isotropic cosmic-ray sky was calculated to be 3.4s (post trial). In this paper, we will report on an update of this result using the 11-year data collected by the TA surface detectors with more than doubled exposure since the first publication., SCOPUS: cp.p, info:eu-repo/semantics/published

Published
2019

22. Search for molecular bremsstrahlung radiation signals in Ku band with coincidental operations of radio telescopes with air shower detectors

Author

Fukushima Masaki, Sakurai Nobuyuki, Fujii Toshihiro, Akimune Hidetoshi, Iijima Takashi, Kuramoto Kazuyuki, Yamamoto Tokonatsu, Ogio Shoichi, and Sagawa Hiroyuki

Subjects
Physics, QC1-999
Abstract

Microwave radiation from extensive air showers is expected to provide a new technique to observe UHECR. We insatlled and operate radio telescopes in Osaka and at Telescope Array site in Utah, USA. In Osaka, we are coincidentally operating two Ku band radio telescopes with an air shower array which consists of nine plastic scintillators with about 10 m separation. In Utah, we installed two telescopes just beside the Black Rock Mesa fluorescence detector (FD) station of the Telescope Array experiment, and we operated the radio telescopes coincidentally with FD event triggers. We report the experimental setups and the results of these measurements.

Published
2013
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23. Future plans for the Telescope Array experiment

Author

Ogio Shoichi

Subjects
Physics, QC1-999
Abstract

The Telescope Array (TA) experiment is the world's first and the only air shower detector to be directly calibrated by an on-site accelerator beam. For wider and deeper understanding of cosmic rays via high precision measurements, we have several future plans for the TA experiment. The first extension plan is an on-going project, called as TA low energy extension (TALE), to extend the sensitive energy range to 1016.5 eV in order to study the second knee, the predicted galactic-extragalactic transition of dominant sources and air shower phenomena comparing with LHC measurements. The second proposition is exchanges of FDs and SDs between TA and Pierre Auger Observatory, toward understanding systematic uncertainties of these experiments and to solve discrepancies in energy scales and Xmax. The third plan is a huge air shower array, “the world observatory”, consisting of a huge number of SDs and/or FDs for the world's largest exposure and the finest accuracy to open a new window on astronomy with ultra high energy particles.

Published
2013
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24. Long distance network link for TAx4 expansion

Author

Nonaka, Toshiyuki, primary, Cady, Robert, additional, Fujiwara, Ryota, additional, Kido, Eiji, additional, Matthews, John, additional, Ogio, Shoichi, additional, Okuda, Takeshi, additional, Sagawaa, Hiroyuki, additional, Sakaki, Naoto, additional, Thomas, Stan, additional, and Yada, Kohei, additional

Published
2019
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25. Correlation between Cosmic Ray Intensity Variations Observed by the Large Acceptance GRAPES-3 Muon Telescope and Interplanetary Magnetic Field.

Author

Shibata, Shoichi, primary, Kojima, Hiroshi, additional, Oshima, Akitoshi, additional, Kawakami, Saburo, additional, Hayashi, Yoshio, additional, Morishita, Isao, additional, Nakamura, Toru, additional, Nonaka, Toshiyuki, additional, Ogio, Shoichi, additional, Takamaru, Hisanori, additional, Tanaka, Koichi, additional, Ito, Nobuo, additional, Matsuyama, Toshio, additional, Yamazaki, Katsuya, additional, Tokumaru, Munetoshi, additional, Gupta, Snil K., additional, R. Dugad, Shashi, additional, Hariharan, Balakrishnan, additional, Jagadeesan, Paranjothi, additional, Jain, Atul, additional, Jhansi, Vuta B., additional, K. Mohanty, Pravata, additional, D. Morris, Samuel, additional, K. Nayak, Pranaba, additional, S. Rakshe, Pankaj, additional, Ramesh, Kaviti, additional, Rao, Bellam S., additional, Reddy, Lakki V., additional, Zuberi, Meeran, additional, Ahmad, Shakeel, additional, Chandra, Anuj, additional, and Subramanian, Prasad, additional

Published
2019
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26. Study of Microwave Radiation from the Electron Beam at the Telescope Array Site

Author

Ikeda, Daisuke, primary, Gaïor, Romain, additional, Mase, Keiichi, additional, Shin, Bokkyun, additional, De Vries, Krijn, additional, Yamamoto, Tokonatsu, additional, Ishihara, Aya, additional, Kuwabara, Takao, additional, Yoshida, Shigeru, additional, Shibata, Tatsunobu, additional, Ohta, Izumi S., additional, Ogio, Shoichi, additional, Fukushima, Masaki, additional, Sagawa, Hiroyuki, additional, Matthews, John N., additional, Thomson, Gordon B., additional, Hanson, Kael, additional, Meures, Thomas, additional, and Murchadha, Aongus Ó, additional

Published
2018
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37. Calibration of photomultiplier tubes for the fluorescence detector of telescope array experiment using a Rayleigh scattered laser beam

Author

Kawana, Shingo, primary, Sakurai, Nobuyuki, additional, Fujii, Toshihiro, additional, Fukushima, Masaki, additional, Inoue, Naoya, additional, Matthews, John N., additional, Ogio, Shoichi, additional, Sagawa, Hiroyuki, additional, Taketa, Akimichi, additional, Takita, Masato, additional, Thomas, Stan B., additional, Tokuno, Hisao, additional, Tsunesada, Yoshiki, additional, Udo, Shigeharu, additional, and Wiencke, Lawrence R., additional

Published
2012
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38. Surveys of Microwave Emission from Air Showers

Author

Kuramoto, Kazuyuki, primary, Ogio, Shoichi, additional, Iijima, Takashi, additional, Yamamoto, Tokonatsu, additional, Sagawa, Hiroyuki, additional, Kawasaki, Yoshiya, additional, Sako, Takashi, additional, Takeda, Masahiro, additional, and Tsunesada, Yoshiki, additional

Published
2011
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42. Future Plans of Telescope Array.

Author

Ogio, Shoichi

Subjects
*SCINTILLATORS, *FLUORESCENCE, *HIGH energy astronomy observatories, *COSMIC ray showers, *DETECTORS, *PARTICLE accelerators
Abstract

The Telescope Array (TA) experiment is the only ultra high energy cosmic ray observatory in the northern hemisphere. In addition, it will be the world's first air shower detector to be directly calibrated by an on-site accelerator beam. For wider and deeper understanding of cosmic rays by via high precision measurements, we have undertaken the study of extension plans for TA. One extension plan will extend the sensitive energy range of TA down to 1017 eV. A second plan would extend of the aperture area of the SD array. These plans are described in this note. [ABSTRACT FROM AUTHOR]

Published
2011
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43. Search for small clusters by auto-correlation analysis from Telescope Array.

Author

Okuda, Takeshi, Sakurai, Nobuyuki, Sagawa, Hiroyuki, Fukushima, Masaki, Ogio, Shoichi, Nonaka, Toshiyuki, Taketa, Akimichi, Kido, Eiji, Rubtsov, Grigory, and Ivanov, Dmitri

Subjects
AUTOCORRELATION (Statistics), DETECTORS, COSMIC ray showers, ANISOTROPY, SCINTILLATORS, FLUORESCENCE
Abstract

The Telescope Array (TA) experiment detects air showers induced by extremely high energy cosmic rays in the middle west of Utah, USA. The TA experiment consists of two different types of detector such as atmospheric fluorescence detectors (FDs) and surface array particle detectors (SDs). The SD observation started in March 2008. This paper describes the search for the small scale clusters from 850-days TA SD data by auto-correlation method for several energy thresholds. As a result, there is no indication of small scale clusters by TA SD. [ABSTRACT FROM AUTHOR]

Published
2011
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